Git commits in Moodle 2.6.2 by Dan Poltawski

commit e5636247a13ab60c02bb1862a4533ecdac0bee23
Author: Dan Poltawski <dan@moodle.com>
Date:   Thu, 06 Mar 2014 09:04:09 +0800
Tag:    v2.6.2

Revert "MDL-43852 Filters Fixed naked-OR conditions."

commit 824fef689283b33cf00420d0700ff548d812b3a4
Author: Dan Poltawski <dan@moodle.com>
Date:   Wed, 05 Feb 2014 14:38:39 +0800
Tag:    v2.6.2

MDL-42882 upgrade: Improvements to upgrade code

commit b7f409704361b01aac663ca0dc9f49b174d9bbf6
Author: Dan Poltawski <dan@moodle.com>
Date:   Mon, 03 Feb 2014 12:42:35 +0800
Tag:    v2.6.2

MDL-42882 upgrade: improved SQL query

commit 5f38edeefd5a50840d41ba0c2b8e11c5b7d17421
Author: Dan Poltawski <dan@moodle.com>
Date:   Mon, 03 Feb 2014 12:30:23 +0800
Tag:    v2.6.2

MDL-42882 upgrade: unit tests for root folders upgrade

commit 41a19bffeef0ee6b0560a5ff808fd4bd35075fa1
Author: Dan Poltawski <dan@moodle.com>
Date:   Tue, 28 Jan 2014 15:35:42 +0800
Tag:    v2.6.2

MDL-43146 enrol_imsenterprise: missing sesskey protection

commit 15fac639562216bb64970c7dd4ff783139fd8c57
Author: Dan Poltawski <dan@moodle.com>
Date:   Tue, 14 Jan 2014 14:53:03 +0800
Tag:    v2.6.2

MDL-41062 gradebook: remove sortorder duplicates